1.00 ct Round F SI1 GIA Certified Diamond

Specifications

Stock No

SG100016

Shape

Round

Carat

1.00

Color

F

Clarity

SI1

Cut

Excellent

Polish

Excellent

Symmetry

Very Good

Fluorescence

None

Depth

63%

Table

55%

Measurements

6.34 x 6.38 x 4.01 mm

Laboratory

GIA

Certificate No

5536093467

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About this diamond

At 1 carat, with measurements of 6.34 x 6.38 x 4.01 mm, this round diamond offers a face-up diameter averaging approximately 6.36 mm: a clear, substantial presence without an oversized footprint. For someone searching for a GIA-certified 1 carat round F SI1 diamond, those dimensions translate the weight into something more useful—the space the stone will occupy on the hand. The difference of just 0.04 mm between its two diameters gives it an almost equal width in both directions, supporting the balanced outline expected of a round solitaire. Its 63% depth explains how that 1 carat weight is distributed. These are relatively deep proportions for a round brilliant, with more of the weight carried vertically rather than spread across the face. Consequently, its approximately 6.36 mm diameter is modest compared with shallower examples of the same weight. That distinction matters if maximum apparent size is your priority. Here, the GIA Excellent cut grade adds important context: the depth is part of a complete proportion assessment, not a standalone reason to judge the diamond’s light performance. The 55% table is relatively small for a round brilliant, leaving a greater proportion of the face occupied by the surrounding crown facets. In combination with the Excellent cut grade, it points towards a presentation in which coloured flashes can play a meaningful role alongside white brightness. Excellent polish supports clean light transmission and reflection at the facet surfaces, while Very Good symmetry indicates closely aligned facet placement with minor deviations. Together, these finishing grades support the lively visual presence that can make a 1 carat solitaire ring feel engaging beyond its measured diameter. F colour places this diamond within the colourless range, giving its 6.34 x 6.38 mm face a bright, neutral appearance rather than an obvious warm tint. SI1 clarity means inclusions are readily noticeable to a trained grader under 10x magnification, but it does not automatically mean they will be apparent without magnification. At 1 carat, whether this particular stone appears eye-clean depends on its individual inclusions. The interaction is worth understanding: F colour addresses body colour, while SI1 describes internal clarity, so the two grades contribute differently to its overall appearance. None fluorescence means no fluorescence was detected under the laboratory’s grading conditions; it does not imply any absence of sparkle in ordinary light. GIA certification covers this diamond’s carat weight, colour, clarity, cut and finishing assessments, grounding its proportions in a recognised grading framework. This GIA-certified round diamond in F colour and SI1 clarity, weighing 1 carat, suits a buyer who wants a colourless solitaire with Excellent cut and a balanced, approximately 6.36 mm presence rather than the widest possible spread.